What
are Cursors?
A cursor is a temporary work area created in the system memory
when a SQL statement is executed. A cursor contains information on a select
statement and the rows of data accessed by it. This temporary work area is used
to store the data retrieved from the database, and...
Tuesday, March 31, 2015
Monday, March 30, 2015
Types of Operating System in Computer Machine
Batch processing Operating System
Batch processing is a technique in
which Operating System collects one programs and data together in a batch
before processing starts. Operating system does the following activities
related to batch processing.
OS defines a job which has predefined...
What is an Operating System (OS)
Operating System (OS)
An operating system (OS) is software that manages computer hardware and software resources and provides common services for computer programs. The operating system is an essential component of the systemsoftware in a computer system....
Sunday, March 29, 2015
Difference Compiler vs Interpreter in Programming Language
Difference Compiler vs Interpreter
Compiler
Interpreter
Scans the entire program before translating it into machine code.
Translates
and executes the program line by line.
Converts the
entire program to machine...
Difference Between call by value and call by reference
Difference Between call by value and call by reference
Call By Value
Call By Reference
Call by value return the value to the main function
Call by reference return the address to the main function.
Change in the sub function does...
Difference between array and linked list with Point
Difference between array and linked list with Point
Aspect
Array
Linked List
Size
· Fixed Number
· Size need to be
specific during declaration.
· Grow...
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